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#pragma once
#include <QObject>
#include <QString>
#include <QTimer>
#include <deque>
#include <functional>
#include <string>
#include <memory>
#include "ui_OBSBasic.h"
class undo_stack : public QObject {
Q_OBJECT
typedef std::function<void(const std::string &data)> undo_redo_cb;
typedef std::function<void(bool is_undo)> func;
typedef std::unique_ptr<Ui::OBSBasic> &ui_ptr;
struct undo_redo_t {
QString name;
std::string undo_data;
std::string redo_data;
undo_redo_cb undo;
undo_redo_cb redo;
};
ui_ptr ui;
std::deque<undo_redo_t> undo_items;
std::deque<undo_redo_t> redo_items;
int disable_refs = 0;
bool enabled = true;
bool last_is_repeatable = false;
QTimer repeat_reset_timer;
inline bool is_enabled() const { return !disable_refs && enabled; }
void enable_internal();
void disable_internal();
void clear_redo();
private slots:
void reset_repeatable_state();
public:
undo_stack(ui_ptr ui);
void enable();
void disable();
void push_disabled();
void pop_disabled();
void clear();
void add_action(const QString &name, const undo_redo_cb &undo,
const undo_redo_cb &redo, const std::string &undo_data,
const std::string &redo_data, bool repeatable = false);
void undo();
void redo();
};
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